package com.dx.childrenedu.common;

import com.alibaba.fastjson.JSON;
import com.dx.childrenedu.pojo.SysLogPojo;
import com.dx.childrenedu.service.SysLogService;
import com.dx.childrenedu.util.IpUtils;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.Date;

/**
 * @ClassName SysLogAspect
 * @Description 系统日志，切面处理类
 * @Author xst
 * @Date 2022/11/14 14:00
 * @Version 1.0
 **/
@Aspect
@Component
public class SysLogAspect {
    @Autowired
    private SysLogService sysLogService;
    @Pointcut("@annotation(com.dx.childrenedu.common.SysLog)")
    public void logPointCut() {
    }

    @Around("logPointCut()")
    @Transactional
    public Object around(ProceedingJoinPoint point) throws Throwable {
        long beginTime = System.currentTimeMillis();
        // 执行方法
        Object result = point.proceed();
        // 执行时长(毫秒)
        long time = System.currentTimeMillis() - beginTime;

        // 保存日志
        saveSysLog(point, time);
        return result;
    }

    @Transactional
    public void saveSysLog(ProceedingJoinPoint joinPoint, long time) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();

        SysLogPojo sysLog = new SysLogPojo();
        SysLog syslog = method.getAnnotation(SysLog.class);
        if (syslog != null) {
            // 注解上的描述
            sysLog.setOperation(syslog.value());
        }

        // 请求的方法名
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = signature.getName();
        sysLog.setMethod(className + "." + methodName + "()");

        // 请求的参数
        Object[] args = joinPoint.getArgs();
        try {
            String params = JSON.toJSONString(args[0]);
            sysLog.setParams(params);
        } catch (Exception e) {

        }

        // 获取request
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        // 设置IP地址
        sysLog.setIp(IpUtils.getIpAddr(request));

        // 当前用户
        //DevOpsUserInfo user = UserInfoUtil.getUserinfoEntryViaServletCookies();
        String username = "admin";
        sysLog.setUsername(username);
        //sysLog.setEmail(user.getEmail());
        sysLog.setTime(time);
        sysLog.setCreateDate(new Date());
        // 保存系统日志到数据库
        sysLogService.insert(sysLog);
    }
}

